18239545

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 22394880

約数和(自身を除く): 4155335

約数列:

[1, 5, 71, 191, 269, 355, 955, 1345, 13561, 19099, 51379, 67805, 95495, 256895, 3647909, 18239545]

約数ペア:

[(1, 18239545), (5, 3647909), (71, 256895), (191, 95495), (269, 67805), (355, 51379), (955, 19099), (1345, 13561)]